Product Details | HEXAGON PLAIN NUT

5310-01-505-5743 A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.

Part Alternates: K61009411, K610094-11, 5310-01-505-5743, 01-505-5743, 5310015055743, 015055743

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 10 MAR 2003 01-505-5743

Drawings & Photos | NSN 5310-01-505-5743


Cross Reference | NSN 5310-01-505-5743

Part Number Cage Code Manufacturer
K610094-11 84955 KAMAN AEROSPACE CORPORATION DBA AIR VEHICLES & MRO DIVISION

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Technical Data | NSN 5310-01-505-5743

Characteristic Specifications
THREAD SERIES UNEF
NOMINAL THREAD SIZE 1.750 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TYPE II CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.975 INCHES NOMINAL
WIDTH ACROSS FLATS 2.500 INCHES NOMINAL
HOLE CONFIGURATION STYLE H1 CONFIGURATION A
BEARING SURFACE TYPE CHAMFERED
III SUPPLEMENTARY FEATURES STOCK SIZE 3.135 DIA X 0.985; NHA K610119, K610042 AND K610094, NUT, LOCK-FOLDING PIN
III END ITEM IDENTIFICATION SEASPRITE HELICOPTER

Restrictions/Controls & Freight Information | NSN 5310-01-505-5743

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information